What triggers people to ask about my lifestyle? Lots of little things. I don't fret about getting a raise like others do. For lunches, I bring a loaf of bread and jars of PB&J for lunches or sweet potatoes to "bake" in the microwave or beans & rice.
Sometimes a trigger can be the clear absence of my contributions in a conversation, like about shopping, cars, or TV. Often people ask me about celebrities or TV shows and such. I am oblivious. This happens a lot with "the news." I steer clear of the news whenever I can. It is depressing propaganda.
My SL/minimalism comes up sometimes around social activities like going to lunch or happy hour or going to bars or clubs on weekends. I am teetotal -- which makes my life simpler! haha. But when asked about going to bars or clubs I have no idea what people are talking about. When most people are at bars on Friday night I am out fishing.
These things tip people off to my life and then they ask questions.